Remove images directory.

source/README.md

@@ -25,15 +25,13 @@
 
 我错了。
 
-![](https://raw.githubusercontent.com/numbbbbb/the-swift-programming-language-in-chinese/gh-pages/swift%202.0%E5%BC%95%E7%94%A8%E5%9B%BE%E7%89%87/1.png)
+![1](https://cloud.githubusercontent.com/assets/1472352/10558349/74eb84de-74fe-11e5-99d2-155dfacff068.png)
+![2](https://cloud.githubusercontent.com/assets/1472352/10558351/79101476-74fe-11e5-82d5-feb815d0b86b.png)
+![3](https://cloud.githubusercontent.com/assets/1472352/10558353/7c983272-74fe-11e5-8397-97c5176261ca.png)
+![4](https://cloud.githubusercontent.com/assets/1472352/10558354/7cd63ae0-74fe-11e5-9b9d-1d7ec6516319.png)
+![5](https://cloud.githubusercontent.com/assets/1472352/10558358/7fe50914-74fe-11e5-9b2b-a7b9129ea638.png)
+![6](https://cloud.githubusercontent.com/assets/1472352/10558360/83a8b064-74fe-11e5-9c2f-2e79d3309f62.png)
 
-![](https://raw.githubusercontent.com/numbbbbb/the-swift-programming-language-in-chinese/gh-pages/swift%202.0%E5%BC%95%E7%94%A8%E5%9B%BE%E7%89%87/2.png)
-
-![](https://raw.githubusercontent.com/numbbbbb/the-swift-programming-language-in-chinese/gh-pages/swift%202.0%E5%BC%95%E7%94%A8%E5%9B%BE%E7%89%87/3.png)
-
-![](https://raw.githubusercontent.com/numbbbbb/the-swift-programming-language-in-chinese/gh-pages/swift%202.0%E5%BC%95%E7%94%A8%E5%9B%BE%E7%89%87/4.png)
-
-![](https://raw.githubusercontent.com/numbbbbb/the-swift-programming-language-in-chinese/gh-pages/swift%202.0%E5%BC%95%E7%94%A8%E5%9B%BE%E7%89%87/5.png)
 
 在我没有任何回复的情况下，不到一天时间，有五位朋友报名。看到这些回复的时候我真的很惊讶，也很感动，无论这个项目存在多少问题，只要有人关注，有人愿意为它付出，那我还有什么理由放弃呢？